/*
 * @Author: Sam
 * @Date: 2021-10-18 17:12:17
 * @LastEditTime: 2021-10-18 17:12:35
 * @LastEditors: Sam
 * @Description:
 * @FilePath: \resourcesf:\thework\ygboost-eui\src\utils\crypto.js
 * 可以输入预定的版权声明、个性签名、空行等
 */
const CryptoJS = require('crypto-js');  //引用AES源码js

const key = CryptoJS.enc.Utf8.parse("1234123412ABCDEF");  //十六位十六进制数作为密钥
const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412');   //十六位十六进制数作为密钥偏移量

//加密方法
function Encrypt (word) {
  let srcs = CryptoJS.enc.Utf8.parse(word);
  let encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
  return encrypted.ciphertext.toString().toUpperCase();
}

//解密方法
function Decrypt (word) {
  let encryptedHexStr = CryptoJS.enc.Hex.parse(word);
  let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
  let decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
  let decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
  return decryptedStr.toString();
}

const desKey = CryptoJS.enc.Utf8.parse("11");

//DES加密方法
function desEncrypt (message) {
  let encrypted = CryptoJS.DES.encrypt(message, desKey, {
    mode: CryptoJS.mode.ECB,
    padding: CryptoJS.pad.Pkcs7
  });
  return encrypted.toString();
}
//DES解密方法
function desDecrypt (ciphertext) {
  if (ciphertext === "" || ciphertext === null || ciphertext === undefined) {
    return "";
  }
  if (typeof (ciphertext) != "string") {
    ciphertext = ciphertext.toString();
  }
  var decrypted = CryptoJS.DES.decrypt({
    ciphertext: CryptoJS.enc.Base64.parse(ciphertext)
  }, desKey, {
    mode: CryptoJS.mode.ECB,
    padding: CryptoJS.pad.Pkcs7
  });
  return decrypted.toString(CryptoJS.enc.Utf8);
}


export default {
  Encrypt,
  Decrypt,
  desEncrypt,
  desDecrypt
}

